THIOUREA

THIOUREA

White and shiny crystals. Bitter taste. Soluble in water, soluble in ethanol when heated, very slightly soluble in ether. Partial melting during isomerization to form thiocyanate. For the manufacture of drugs, dyes, resins, pressured powder and other raw materials, also used as rubber vulcanization accelerator, metal mineral flotation agent. By the role of hydrogen sulfide and limestone into calcium hydrosulfide, then with ammonia cyanide (calcium) from the role of calcium. Ammonium thiocyanate can also be made by melting, or by reacting cyanamide with hydrogen sulfide

Description

Product name:thiourea

Cas no.:62-56-6

Purity:99.0%

UN 3077

Class 9

PG:III


CERTIFICATE OF ANALYSIS

项 目

Item

标 准

Standard

结 果

Result

Content   % min

99.0

99.02

Heating loss  % max

0.40

0.36

Ash content  % max

0.10

0.075

Water insolubles   % max

0.02

0.01

Thiocyanate   % max

0.02

0.015

M.p.  

171

171

Any inquire,pls contact cathy@gpcchem.com


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